Home / 147,653.82-203,759.43-80,586.30

Finding the Fourth Proportional to 147,653.82, 203,759.43 and 80,586.30

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Solution

The fourth proportional to 147,653.82, 203,759.43 and 80,586.30 is: 111,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,653.82 : 203,759.43 = 80,586.30 : x
  2. Step 2: Convert to fraction form
    147,653.82/203,759.43 = 80,586.30/x
  3. Step 3: Cross multiply
    147,653.82x = 203,759.43 × 80,586.30
  4. Step 4: Simplify right side
    147,653.82x = 16,420,218,553.81
  5. Step 5: Solve for x
    x = 16,420,218,553.81/147,653.82
  6. Step 6: Final answer
    x = 111,207.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.